Small fix: handle missing localization in backend plus a small typo in the english language (#443)

* Hotfix for i18n where the detector was overriding localStorage

* Please, pnpm, cooperate

* Small fix regarding the backend getting hammered when switching to not supported languages plus a small english typo

backend/loader.py

@@ -101,9 +101,13 @@ class Loader:
         return web.FileResponse(file, headers={"Cache-Control": "no-cache"})
 
     async def handle_frontend_locales(self, request):
-        file = path.join(path.dirname(__file__), "locales", request.match_info["path"])
-        
-        return web.FileResponse(file, headers={"Cache-Control": "no-cache", "Content-Type": "application/json"})
+        req_lang = request.match_info["path"]
+        file = path.join(path.dirname(__file__), "locales", req_lang)
+        if exists(file):
+            return web.FileResponse(file, headers={"Cache-Control": "no-cache", "Content-Type": "application/json"})
+        else:
+            self.logger.info(f"Language {req_lang} not available, returning an empty dictionary")
+            return web.json_response(data={}, headers={"Cache-Control": "no-cache"})
 
     async def get_plugins(self, request):
         plugins = list(self.plugins.values())

backend/locales/en-US.json

@@ -171,7 +171,7 @@
     "patch_notes_desc": "Patch Notes",
     "updates": {
       "check_button": "Check For Updates",
-      "checking": "'Checking",
+      "checking": "Checking",
       "cur_version": "Current version: {{ver}}",
       "install_button": "Install Update",
       "label": "Updates",